BCH Beginning Segment for Purchase Order Change

To indicate the beginning of the Purchase Order Change Transaction Set and transmit identifying numbers and dates

Position
Element
Name
Type
Requirement
Min
Max
Repeat
BCH01
Transaction Set Purpose Code
Identifier (ID)
Mandatory
2
2
1
Code identifying purpose of transaction set
BCH02
Purchase Order Type Code
Identifier (ID)
Mandatory
2
2
1
Code specifying the type of Purchase Order
BCH03
Purchase Order Number
String (AN)
Mandatory
1
22
1
Identifying number for Purchase Order assigned by the orderer/purchaser
BCH04
Release Number
String (AN)
Optional
1
30
1
Number identifying a release against a Purchase Order previously placed by the parties involved in the transaction
BCH05
Change Order Sequence Number
String (AN)
Optional
1
8
1
Number assigned by the orderer identifying a specific change or revision to a previously transmitted transaction set
BCH06
Date
Date (DT)
Mandatory
8
8
1
Date expressed as CCYYMMDD where CC represents the first two digits of the calendar year
BCH06 is the date assigned by the purchaser to purchase order.
BCH07
Request Reference Number
String (AN)
Optional
1
45
1
Reference number or RFQ number to use to identify a particular transaction set and query (additional reference number or description which can be used with contract number)
BCH08
Contract Number
String (AN)
Optional
1
30
1
Contract number
BCH09
Reference Identification
String (AN)
Optional
1
50
1
Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier
BCH09 is the seller's order number.
BCH10
Date
Date (DT)
Optional
8
8
1
Date expressed as CCYYMMDD where CC represents the first two digits of the calendar year
BCH10 is the date assigned by the sender to the acknowledgment.
BCH11
Date
Date (DT)
Optional
8
8
1
Date expressed as CCYYMMDD where CC represents the first two digits of the calendar year
BCH11 is the date of the purchase order change request.
BCH12
Contract Type Code
Identifier (ID)
Optional
2
2
1
Code identifying a contract type
BCH13
Security Level Code
Identifier (ID)
Optional
2
2
1
Code indicating the level of confidentiality assigned by the sender to the information following
BCH14
Acknowledgment Type
Identifier (ID)
Optional
2
2
1
Code specifying the type of acknowledgment
BCH15
Transaction Type Code
Identifier (ID)
Optional
2
2
1
Code specifying the type of transaction
BCH16
Purchase Category
Identifier (ID)
Optional
2
2
1
Code identifying the broad category of products or services being acquired

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